Wide-angle lens
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In photography and cinematography, a wide-angle lens is a lens covering a large angle of view. Conversely, its focal length is substantially smaller than that of a normal lens for a given film plane.
A Canon wide-angle 17-40 mm f/4 L retrofocus zoom lens
How focal length affects photograph composition. Three images depict the same two objects, kept in the same positions. By changing the focal length and adjusting the camera's distance from the pink bottle, this bottle remains the same size in the image, while the blue bottle's size appears to dramatically change. Also note that at small focal lengths, more of the scene is included.
Telephoto lens
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A telephoto lens, also known as telelens, is a specific type of a long-focus lens used in photography and cinematography, in which the physical length of the lens is shorter than the focal length. Thi
Wide-angle lens
…Scioptric ball Telephoto lens Virtual-reality photography…
A collection of telephoto lenses
A 500 mm telephoto lens with extension tube.
A 150–500 mm telephoto zoom lens, physically much shorter than its maximum focal length.
A Canon New F-1 (1981), a 35 mm camera with a telephoto zoom lens with 70-210 mm focal length.